[Define your population parameter.]

Population Parameter being tested: Mean cost per sqft in the Pacific region Let u represent the meancost per sqft in the Pacific region Mean cost per sqft based on new adverstiment: $280 Claim: Mean cost per sqft in the Pacific rgion is less than $280 Sample Mean: $265 Target: 280 sample_stdev/sqrt(n) Standard Error: $6.09 (sample_mean-target)/std error Test Statistic: -2.46237687 Degrees of Freedom: 749 Two Tailed Test HO: U=280 H1: U=280 P-value 0.01402903 Since p-value is 280 P-value 0.99298698 Is the p-value less than the level of signifiance? If yes then reject the null Hypothesis. If no then do not reject the null hypothesis. Specify the null conclusion and choose which one is the correct one for the claim listed above which is: Claim: mean cost per square foot in the Pacific region is less than $280.00